The fact that the K3 has the blessings of
Cognitive Science is most reassuring, Wayne. :-)
Phil W7OX
On 2/18/15 8:00 AM, Wayne Burdick wrote:
User interface design is often called upon to make up for human failings. We
get distracted, we forget, we have trouble breaking bad habits, we easily
acquire new ones. This is true no matter how much training we have. The
designer tries to take such issues into account up front, but sometimes we find
out later and make adjustments.
My cognitive science professor, Don Norman, put a heavy emphasis on embedding knowledge
"in the world." Signs and indicators need to be as unambiguous as possible to
help those of us who can't or won't pay attention. Ideally the indications are intuitive,
so users adapt to them easily and don't feel oppressed by them. That distinction is in
play here. And while I'd love to add a dozen more LEDs, a klaxon horn, and a Van de Graf
generator to the K3's user interface, we have to work within the limits of the existing
hardware.
Providing an optional means of reinforcing split/non-split state is in the
tradition of design iteration -- using feedback about real errors that people
make, then minimizing them. That's why we're having this conversation.
Wayne
N6KR
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